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fix bug with year roll over

This commit is contained in:
Erik Winter 2021-10-31 09:52:43 +01:00
parent 93ac14f539
commit e8e183fae6
2 changed files with 18 additions and 4 deletions
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14
internal/task/date.go
View File

@ -206,11 +206,17 @@ func (d Date) Add(days int) Date {
}
func (d Date) AddMonths(addMonths int) Date {
year, month, day := d.t.Date()
addYears := int((int(month) + addMonths) / 12)
newMonth := (int(month) + addMonths) % 12
year, mmonth, day := d.t.Date()
month := int(mmonth)
for m := 1; m <= addMonths; m++ {
month += 1
if month == 12 {
year += 1
month = 1
}
}
return NewDate(year+addYears, newMonth, day)
return NewDate(year, month, day)
}
func (d Date) Equal(ud Date) bool {

8
internal/task/recur_test.go
View File

@ -367,4 +367,12 @@ func TestEveryNMonths(t *testing.T) {
}
test.Equals(t, false, recur.RecursOn(task.NewDate(2021, 3, 9)))
})
t.Run("bug", func(t *testing.T) {
recur := task.EveryNMonths{
Start: task.NewDate(2021, 3, 1),
N: 1,
}
test.Equals(t, false, recur.RecursOn(task.NewDate(2021, 11, 3)))
})
}